<template>
    <a-layout>
        <a-layout-content :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }">
            <p>

                <a-form
                        layout="inline"
                        :model="param"
                >
                    <a-form-item>
                        <a-input v-model:value="param.name" placeholder="名字">
                        </a-input>
                    </a-form-item>
                    <a-form-item>
                        <a-button type="primary" @click="handleQuery({page: 1, size: pagination.pageSize})"
                                  size="large">查询
                        </a-button>
                    </a-form-item>

                    <a-form-item>
                        <a-button type="primary" @click="add()" size="large">新增</a-button>
                    </a-form-item>

                </a-form>
            </p>

            <a-table
                    :columns="columns"
                    :row-key="record => record.id"
                    :data-source="ebooks"
                    :pagination="pagination"
                    :loading="loading"
                    @change="handleTableChange"
            >
                <template #cover="{ text: cover }">
                    <img v-if="cover" :src="cover" alt="avatar"/>
                </template>

                <template v-slot:category="{ text, record }">
                    <span>{{getCategoryName(record.category1Id)}} / {{getCategoryName(record.category2Id)}}</span>
                </template>
                <template v-slot:action="{ text, record }">
                    <a-space size="small">

                        <router-link :to="'/admin/doc/?ebookId=' + record.id">
                            <a-button type="primary">文档管理</a-button>
                        </router-link>

                        <a-button type="primary" @click="edit(record)">编辑</a-button>

                        <a-popconfirm
                                title="确定要删除吗？删除之后数据不可恢复哦~~~~"
                                ok-text="老子要删除"
                                cancel-text="算了，不删除了"
                                @confirm="ebookDelete(record.id)"
                        >
                            <a-button type="danger">删除</a-button>
                        </a-popconfirm>

                    </a-space>
                </template>

            </a-table>
        </a-layout-content>
    </a-layout>

    <a-modal
            title="电子书表单"
            v-model:visible="modalVisible"
            :confirm-loading="modalLoading"
            @ok="handleOk"
    >
        <a-form :model="ebook" :label-col="{span:6}">
            <a-form-item label="封面">
                <a-input v-model:value="ebook.cover"/>
            </a-form-item>
            <a-form-item label="名称">
                <a-input v-model:value="ebook.name"/>
            </a-form-item>
            <a-form-item label="分类">
                <a-cascader v-model:value="categoryIds"
                            :options="level1"
                            :field-names="{label:'name',value:'id',children:'children'}"/>
            </a-form-item>

            <a-form-item label="描述">
                <a-input v-model:value="ebook.desc" type="text"/>
            </a-form-item>

        </a-form>

    </a-modal>
</template>

<script lang="ts">
    import {defineComponent, onMounted, ref} from 'vue';
    import axios from 'axios';
    import {message} from 'ant-design-vue';
    import {Tool} from "@/util/tool";

    export default defineComponent({
        name: 'AdminEbook',
        setup() {
            const param = ref();
            param.value = {};
            const ebooks = ref();
            const pagination = ref({
                current: 1,
                pageSize: 4,
                total: 0
            });
            const loading = ref(false);

            const columns = [
                {
                    title: '封面',
                    dataIndex: 'cover',
                    slots: {customRender: 'cover'}
                },
                {
                    title: '名称',
                    dataIndex: 'name'
                },
                {
                    title: '分类',
                    slots: {customRender: 'category'}
                },
                {
                    title: '文档数',
                    dataIndex: 'docCount'
                },
                {
                    title: '阅读数',
                    dataIndex: 'viewCount'
                },
                {
                    title: '点赞数',
                    dataIndex: 'voteCount'
                },
                {
                    title: 'Action',
                    key: 'action',
                    slots: {customRender: 'action'}
                }
            ];

            /**
             * 数据查询
             **/
            const handleQuery = (params: any) => {
                loading.value = true;
                // 如果不清空现有数据，则编辑保存重新加载数据后，再点编辑，则列表显示的还是编辑前的数据
                ebooks.value = [];
                axios.post("/ebook/list", {
                    page: params.page,
                    size: params.size,
                    name: param.value.name
                }).then((response) => {
                    loading.value = false;
                    const data = response.data;
                    if (data.success) {
                        ebooks.value = data.content.list;

                        // 重置分页按钮
                        pagination.value.current = params.page;
                        pagination.value.total = data.content.total;
                    } else {
                        message.error(data.message);
                    }
                });
            };

            /**
             * 表格点击页码时触发
             */
            const handleTableChange = (pagination: any) => {
                console.log("看看自带的分页参数都有啥：" + pagination);
                handleQuery({
                    page: pagination.current,
                    size: pagination.pageSize
                });
            };

            // 表单相关
            /**
             * 数组，【100，101】对应qi前端开发/vue
             */
            const categoryIds = ref();
            const ebook = ref();
            const modalVisible = ref(false);
            const modalLoading = ref(false);
            const handleOk = () => {
                modalLoading.value = true;
                ebook.value.category1Id = categoryIds.value[0];
                ebook.value.category2Id = categoryIds.value[1];
                axios.post("/ebook/save", ebook.value).then((response) => {
                    const data = response.data; // data = commonResp
                    modalLoading.value = false;
                    if (data.success) {
                        modalVisible.value = false;
                        // 重新加载列表
                        handleQuery({
                            page: pagination.value.current,
                            size: pagination.value.pageSize
                        })
                    } else {
                        message.error(data.message);
                    }
                });
            }
            // 编辑
            const edit = (record: any) => {
                modalVisible.value = true;
                ebook.value = Tool.copy(record);
                categoryIds.value = [ebook.value.category1Id, ebook.value.category2Id];
            }
            // 新增
            const add = () => {
                modalVisible.value = true;
                ebook.value = {};
            }
            // 删除逻辑
            const ebookDelete = (id: number) => {
                axios.delete("/ebook/delete/" + id).then((response) => {
                    const data = response.data; // data = commonResp
                    if (data.success) {
                        // 重新加载列表
                        handleQuery({
                            page: pagination.value.current,
                            size: pagination.value.pageSize
                        })
                    } else {
                        message.error(data.message);
                    }
                });
            }
            const level1 = ref();
            let categorys: any;
            /**
             * 分类标签。数据查询
             **/
            const handleQueryCategory = () => {
                loading.value = true;

                axios.get("/category/all").then((response) => {
                    loading.value = false;
                    if (response.data.success) {
                        level1.value = [];
                        categorys = response.data.content.list;
                        level1.value = Tool.array2Tree(categorys, 0);
                        console.log("level1:", level1.value);

                        handleQuery({
                            page: 1,
                            size: pagination.value.pageSize
                        });

                    } else {
                        message.error(response.data.message);
                    }
                });
            };
            const getCategoryName = (cid: number) => {
                let result = "";
                categorys.forEach((item: any) => {
                    if (item.id === cid) {
                        result = item.name;
                    }
                });

                return result;
            }
            onMounted(() => {
                handleQueryCategory();

            });

            return {
                ebooks,
                pagination,
                columns,
                loading,
                handleTableChange,
                categoryIds,
                level1,

                edit,
                add,
                ebookDelete,

                getCategoryName,
                handleOk,
                handleQuery,
                modalVisible,
                modalLoading,
                ebook,

                param

            }
        }
    });
</script>

<style scoped>
    img {
        width: 50px;
        height: 50px;
    }
</style>
